The ground grid bumper car is Italian style bump car playground without ceiling net. The power of bumper car is from the floor which is removable. The power supply is durable as there are cables connections under the steel floor. Besides the floor, there is a control cabinet. With it you can set the playing time at your request. It is easy to operate. Generally, 15 meter square per bump car for the bump car playground, and 150-200 meter square is perfect for bump car playground from our experience. We can provide the steel floor and control cabinet.